Reference number
ISO 3693:1977
ISO 3693:1977
© ISO 2024
ISO 3693:1977
Nitric acid for industrial use — Determination of chloride ions content — Potentiometric method
Edition 1
1977-12
1977-12
Retirada
Resumen
Applicable to products having chloride contents equal or more than 0,0002 % (m/m). Potentiometric titration of the ions with silver nitrate solution in a nitric acid acetone-water medium using a silver measurement electrode and a calomel reference electrode.